In this landmark 1987 film, archaeologists unearth clues, some 7,000 years old, about an unknown, mysterious and advanced sea-faring people who lived along the North Atlantic coast of the United States and Canada.

A documentary about Native Alaskans, scientists and government officials working together to understand the discovery of another 10,000 year old ancestor whose story is equally important but quite different from the controversial 'Kennewick Man'.